Keystone and Perforator Flaps in Reconstruction: Modifications and Updated Applications

Area of Science:

• Plastic Surgery
• Microsurgery
• Vascular Anatomy

Background:

• Pedicle perforator flaps and keystone perforator island flaps are valuable reconstructive tools.
• Advances in vascular anatomy understanding have refined flap techniques.
• These methods aim for autologous tissue transfer with reduced donor site morbidity.

Purpose of the Study:

• To highlight the advancements and applications of pedicle perforator flaps and keystone perforator island flaps.
• To discuss modifications leading to improved reconstructive outcomes.
• To emphasize the benefits of these techniques in soft tissue reconstruction.

Main Methods:

• Review of anatomical principles including perforator perfusion and interperforator flow.
• Description of flap modifications such as propeller and freestyle perforator free flaps.
• Analysis of keystone perforator island flap modifications for complex defect coverage.

Main Results:

• Modified pedicle perforator flaps (propeller, freestyle) enhance soft tissue reconstruction.
• Modified keystone perforator island flaps offer greater versatility for large defects.
• Both flap types demonstrate reliability and aesthetic results with reduced donor site morbidity.

Conclusions:

• Pedicle perforator flaps and keystone perforator island flaps represent significant advancements in reconstructive surgery.
• These techniques provide surgeons with reliable options for soft tissue coverage.
• Further understanding of vascular dynamics continues to drive innovation in flap design and application.